CPSC recall 01-503, announced November 8, 2000, covers Liebert Mini-Mate2 Environmental Control Units (about 1,500 units). An electric heating element inside the system, that is used primarily in the dehumidification process, can short circuit and produce sparks, posing a smoke and fire risk. The notice reports no incidents. For more information about the recall, contact Liebert Corp. for instructions on disconnecting the reheat assembly. Recall contact: call (800) 543-2778.
Compare the model on your label, then check any serial numbers, date codes, and exclusions in the notice. A model match alone does not confirm that your unit is included.
The CPSC data does not provide a discrete model-number list for this record. Compare the product description and identification details on the official notice.
Which products are included?
The environmental control units are used as a cooling system in computer rooms. The recalled units are 277 volts and 1.5, 2 and 3 tons with electric reheat. The units are mounted in the ceiling and use ducts or special distribution grills to distribute the air.
Confirm these details on the official CPSC noticeWhy it was recalled
An electric heating element inside the system, that is used primarily in the dehumidification process, can short circuit and produce sparks, posing a smoke and fire risk.
Incidents and injuries
No injuries have been reported.
Official remedy
For more information about the recall, contact Liebert Corp. for instructions on disconnecting the reheat assembly. Liebert Corp. will install and replace the heating element. Liebert Corp. sent recall notices to known purchasers.
Product and sales details
- Brand
- Liebert
- Manufacturer
- Liebert Corp., of Columbus, Ohio
- Product type
- Air conditioners
- Recall number
- 01-503
- Units
- About 1,500
- Sold at / sales period
- Liebert Corp. sold these units nationwide, from January 1998 through August 2000, for between $3,000 and $8,000.
Mini-Mate2 Environmental Control Units
CPSC product type: Air Conditioners
Recall contact information
For more information about the recall, contact Liebert Corp. at (800) 543-2778 between 8 a.m. and 5 p.m. ET Monday through Friday.
Verify phone numbers, hours, and websites on the current CPSC notice before contacting the firm.
Know someone who has one?
Recalls only work when owners hear about them. Send this notice to family or friends who might own the same product.



